15915020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72341}}^1$

素因数の和:72361

約数の個数: 24

約数和(自身を含む): 36460368

約数和(自身を除く): 20545348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72341, 144682, 289364, 361705, 723410, 795751, 1446820, 1591502, 3183004, 3978755, 7957510, 15915020]

約数ペア:

[(1, 15915020), (2, 7957510), (4, 3978755), (5, 3183004), (10, 1591502), (11, 1446820), (20, 795751), (22, 723410), (44, 361705), (55, 289364), (110, 144682), (220, 72341)]